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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Coal; briquettes, ovoids and similar solid fuels manufactured from coal. | $1,868,417 | $2,667,430 | $3,339,029 | $419,792 | $2,017,738 | $4,845,192 |
| Coke and semi-coke of coal, of lignite or of peat | | | | | $5,743 | |
| Coal gas, water gas, producer gas and similar gases | | $132 | | | | |
| Petroleum coke and other residues | | | | | $7,320 | $9,711 |
| Bitumen and asphalt, natural | | | | | $1,084 | |
| Electrical energy. (optional heading) | $78,057,056 | $109,842,705 | $242,951,166 | $254,643,651 | $208,539,924 | |
| Total | $79,925,473 | $112,510,267 | $246,290,195 | $255,063,443 | $210,571,809 | $4,854,903 |
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